Used to be so pure like a diamond fresh out the store Innocent teacher's pet It's so crazy how quickly you forget I was the one baby who let your hair down I taught you every little trick you're using on me now Said you got nerve lady Get your revenge out We know you'll be coming back around So why are you acting so conceited Gave me no attention Like I am out of season I'll frustrate you She's so conceited like I don't exist But she really don't mean it, she really don' mean it She used to be my girl She used to be my girlfriend She took everything but left her heart on my door step You used to be my girl I used to be your boyfriend She will be running back again Wow, to her aura like a siren so loud I can't ignore her It's amazing The transformation Trying to knock me out of her equation (yeah) I was the one baby who let your hair down I taught you every little trick you're using on me now Said you got nerve lady Get your revenge out We know you'll be coming back around So why are you acting so conceited Gave me no attention Like I am out of season I'll frustrate you She's so conceited like I don't exist But she really don't mean it, she really don' mean it She used to be my girl She used to be my girlfriend She took everything but left her heart on my door step You used to be my girl I used to be your boyfriend She will be running back again If you are trying to get back with bady Every call up your radio station Dedicate this one to your lady, to your lady If you are missing your baby She used to be my girl She used to be my girlfriend You used to be my girl I used to be your boyfriend Why are you acting so conceited Gave me no attention Like I am out of season I'll frustrate you She's so conceited like I don't exist But she really don't mean it, she really don' mean it She used to be my girl She used to be my girlfriend She took everything but left her heart on my door step You used to be my girl I used to be your boyfriend She will be running back again She's so conceited Gave me no attention Like I am out of season I'll frustrate you She's so conceited like I don't exist But she really don't mean it, she really don' mean it She used to be my girl She used to be my girlfriend She took everything but left her heart on my door step You used to be my girl I used to be your boyfriend She will be running back again